/*
- * charybdis: An advanced ircd.
+ * Solanum: a slightly advanced ircd
* m_list_safelist.c: Version of /list that uses the safelist code.
*
- * Copyright (c) 2006 William Pitcock <nenolod@nenolod.net>
+ * Copyright (c) 2006 Ariadne Conill <ariadne@dereferenced.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
- *
- * $Id: m_list.c 3372 2007-04-03 10:18:07Z nenolod $
*/
#include "stdinc.h"
-#include "tools.h"
#include "channel.h"
#include "client.h"
#include "hash.h"
-#include "irc_string.h"
+#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
+#include "s_newconf.h"
#include "s_serv.h"
+#include "supported.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
-#include "event.h"
+#include "inline/stringops.h"
+#include "s_assert.h"
+#include "logger.h"
+#include "rb_radixtree.h"
+
+static const char list_desc[] = "Provides the LIST command to clients to view non-hidden channels";
static rb_dlink_list safelisting_clients = { NULL, NULL, 0 };
+static struct ev_entry *iterate_clients_ev = NULL;
+
static int _modinit(void);
static void _moddeinit(void);
-static int m_list(struct Client *, struct Client *, int, const char **);
-static int mo_list(struct Client *, struct Client *, int, const char **);
+static void m_list(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
+static void mo_list(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
-static void safelist_check_cliexit(hook_data_client_exit * hdata);
+static void list_one_channel(struct Client *source_p, struct Channel *chptr, int visible);
+
+static void safelist_one_channel(struct Client *source_p, struct Channel *chptr, struct ListClient *params);
+static void safelist_check_cliexit(void *);
static void safelist_client_instantiate(struct Client *, struct ListClient *);
static void safelist_client_release(struct Client *);
-static void safelist_one_channel(struct Client *source_p, struct Channel *chptr);
static void safelist_iterate_client(struct Client *source_p);
static void safelist_iterate_clients(void *unused);
-static void safelist_channel_named(struct Client *source_p, const char *name);
+static void safelist_channel_named(struct Client *source_p, const char *name, int operspy);
struct Message list_msgtab = {
- "LIST", 0, 0, 0, MFLG_SLOW,
+ "LIST", 0, 0, 0, 0,
{mg_unreg, {m_list, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_list, 0}}
};
mapi_clist_av1 list_clist[] = { &list_msgtab, NULL };
mapi_hfn_list_av1 list_hfnlist[] = {
- {"client_exit", (hookfn) safelist_check_cliexit},
+ {"client_exit", safelist_check_cliexit},
{NULL, NULL}
};
-DECLARE_MODULE_AV1(list, _modinit, _moddeinit, list_clist, NULL, list_hfnlist, "$Revision: 3372 $");
+DECLARE_MODULE_AV2(list, _modinit, _moddeinit, list_clist, NULL, list_hfnlist, NULL, NULL, list_desc);
static int _modinit(void)
{
- eventAdd("safelist_iterate_clients", safelist_iterate_clients, NULL, 3);
+ iterate_clients_ev = rb_event_add("safelist_iterate_clients", safelist_iterate_clients, NULL, 3);
+
+ /* ELIST=[tokens]:
+ *
+ * M = mask search
+ * N = !mask search
+ * U = user count search (< >)
+ * C = creation time search (C> C<)
+ * T = topic search (T> T<)
+ */
+ add_isupport("SAFELIST", isupport_string, "");
+ add_isupport("ELIST", isupport_string, "CMNTU");
return 0;
}
static void _moddeinit(void)
{
- eventDelete(safelist_iterate_clients, NULL);
+ rb_event_delete(iterate_clients_ev);
+
+ delete_isupport("SAFELIST");
+ delete_isupport("ELIST");
}
-static void safelist_check_cliexit(hook_data_client_exit * hdata)
+static void safelist_check_cliexit(void *data)
{
+ hook_data_client_exit * hdata = data;
/* Cancel the safelist request if we are disconnecting
* from the server. That way it doesn't core. :P --nenolod
*/
}
/* m_list()
- * parv[0] = sender prefix
* parv[1] = channel
*
* XXX - With SAFELIST, do we really need to continue pacing?
* In theory, the server cannot be lagged by this. --nenolod
*/
-static int m_list(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
+static void
+m_list(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
static time_t last_used = 0L;
if (source_p->localClient->safelist_data != NULL)
{
sendto_one_notice(source_p, ":/LIST aborted");
- sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
safelist_client_release(source_p);
- return 0;
+ return;
}
if (parc < 2 || !IsChannelName(parv[1]))
{
/* pace this due to the sheer traffic involved */
- if (((last_used + ConfigFileEntry.pace_wait) > CurrentTime))
+ if (((last_used + ConfigFileEntry.pace_wait) > rb_current_time()))
{
sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, source_p->name, "LIST");
sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
- return 0;
+ return;
}
else
- last_used = CurrentTime;
+ last_used = rb_current_time();
}
- return mo_list(client_p, source_p, parc, parv);
+ mo_list(msgbuf_p, client_p, source_p, parc, parv);
}
/* mo_list()
- * parv[0] = sender prefix
* parv[1] = channel
*/
-static int mo_list(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
+static void
+mo_list(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
- struct ListClient params;
- char *p, *args;
+ struct ListClient *params;
+ char *p;
+ char *args = NULL;
int i;
+ int operspy = 0;
if (source_p->localClient->safelist_data != NULL)
{
sendto_one_notice(source_p, ":/LIST aborted");
- sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
safelist_client_release(source_p);
- return 0;
+ return;
}
- /* XXX rather arbitrary -- jilles */
- params.users_min = 3;
- params.users_max = INT_MAX;
-
- if (parc > 1 && parv[1] != NULL && !IsChannelName(parv[1]))
+ if (parc > 1)
{
args = LOCAL_COPY(parv[1]);
- /* Make any specification cancel out defaults */
- if (*args == '<')
- params.users_min = 0;
+ }
+
+ if (args && *args == '!' && IsOperSpy(source_p))
+ {
+ args++;
+ report_operspy(source_p, "LIST", args);
+ operspy = 1;
+ }
+
+ /* Single channel. */
+ if (args && IsChannelName(args) && !strpbrk(args, "*?, "))
+ {
+ safelist_channel_named(source_p, args, operspy);
+ return;
+ }
+
+ /* Multiple channels, possibly with parameters. */
+ params = rb_malloc(sizeof(struct ListClient));
+
+ params->users_min = ConfigChannel.displayed_usercount;
+ params->users_max = INT_MAX;
+ params->operspy = operspy;
+ params->created_min = params->topic_min =
+ params->created_max = params->topic_max = 0;
+ params->mask = NULL;
+ params->nomask = NULL;
+
+ if (args && !EmptyString(args))
+ {
+ /* Cancel out default minimum. */
+ params->users_min = 0;
- for (i = 0; i < 2; i++)
+ for (i = 0; i < 7; i++)
{
if ((p = strchr(args, ',')) != NULL)
*p++ = '\0';
if (*args == '<')
+ {
+ args++;
+ if (!IsDigit(*args)) goto fail;
+
+ params->users_max = atoi(args);
+ if (params->users_max == 0)
+ params->users_max = INT_MAX;
+ else
+ params->users_max--;
+ }
+ else if (*args == '>')
{
args++;
if (IsDigit(*args))
+ params->users_min = atoi(args) + 1;
+ else if (args[0] == '-' && IsDigit(args[1]))
+ params->users_min = 0;
+ else
+ goto fail;
+ }
+ else if (*args == 'C' || *args == 'c')
+ {
+ args++;
+ if (*args == '>')
+ {
+ /* Creation time earlier than last x minutes. */
+ args++;
+ if (!IsDigit(*args)) goto fail;
+ params->created_max = rb_current_time() - (60 * atoi(args));
+ }
+ else if (*args == '<')
{
- params.users_max = atoi(args);
- if (params.users_max == 0)
- params.users_max = INT_MAX;
- else
- params.users_max--;
+ /* Creation time within last x minutes. */
+ args++;
+ if (!IsDigit(*args)) goto fail;
+ params->created_min = rb_current_time() - (60 * atoi(args));
}
else
- params.users_max = INT_MAX;
+ {
+ goto fail;
+ }
}
- else if (*args == '>')
+ else if (*args == 'T' || *args == 't')
{
args++;
- if (IsDigit(*args))
- params.users_min = atoi(args) + 1;
+ if (*args == '>')
+ {
+ /* Topic change time earlier than last x minutes. */
+ args++;
+ if (!IsDigit(*args)) goto fail;
+ params->topic_max = rb_current_time() - (60 * atoi(args));
+ }
+ else if (*args == '<')
+ {
+ /* Topic change time within last x minutes. */
+ args++;
+ if (!IsDigit(*args)) goto fail;
+ params->topic_min = rb_current_time() - (60 * atoi(args));
+ }
else
- params.users_min = 0;
+ {
+ goto fail;
+ }
+ }
+ else if (*args == '!')
+ {
+ args++;
+ rb_free(params->nomask);
+ params->nomask = rb_strdup(args);
+ }
+ else if (*args == '?' || *args == '*' || IsChanPrefix(*args))
+ {
+ rb_free(params->mask);
+ params->mask = rb_strdup(args);
+ }
+ else
+ {
+ goto fail;
}
if (EmptyString(p))
args = p;
}
}
- else if (parc > 1 && IsChannelName(parv[1]))
- {
- safelist_channel_named(source_p, parv[1]);
- return 0;
- }
- safelist_client_instantiate(source_p, ¶ms);
+ safelist_client_instantiate(source_p, params);
+ return;
- return 0;
+fail:
+ rb_free(params);
+ sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
+ sendto_one_notice(source_p, ":Invalid parameters for /LIST");
+ sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
+}
+
+/*
+ * list_one_channel()
+ *
+ * inputs - client pointer, channel pointer, whether normally visible
+ * outputs - none
+ * side effects - a channel is listed
+ */
+static void list_one_channel(struct Client *source_p, struct Channel *chptr,
+ int visible)
+{
+ char topic[TOPICLEN + 1];
+
+ if (chptr->topic != NULL)
+ rb_strlcpy(topic, chptr->topic, sizeof topic);
+ else
+ topic[0] = '\0';
+ strip_colour(topic);
+ sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name,
+ visible ? "" : "!",
+ chptr->chname, rb_dlink_list_length(&chptr->members),
+ topic);
}
/*
* safelist_sendq_exceeded()
*
* inputs - pointer to client that needs checking
- * outputs - 1 if a client has exceeded the reserved
- * sendq limit, 0 if not
+ * outputs - true if a client has exceeded the reserved
+ * sendq limit, false if not
* side effects - none
*
* When safelisting, we only use half of the SendQ at any
* given time.
*/
-static int safelist_sendq_exceeded(struct Client *client_p)
+static bool safelist_sendq_exceeded(struct Client *client_p)
{
- if (linebuf_len(&client_p->localClient->buf_sendq) > (get_sendq(client_p) / 2))
- return YES;
- else
- return NO;
+ return rb_linebuf_len(&client_p->localClient->buf_sendq) > (get_sendq(client_p) / 2);
}
/*
* safelist_client_instantiate()
*
* inputs - pointer to Client to be listed,
- * struct ListClient to copy for params
+ * pointer to ListClient for params
* outputs - none
* side effects - the safelist process begins for a
* client.
*/
static void safelist_client_instantiate(struct Client *client_p, struct ListClient *params)
{
- struct ListClient *self;
+ struct Channel *chptr;
s_assert(MyClient(client_p));
s_assert(params != NULL);
- self = MyMalloc(sizeof(struct ListClient));
-
- self->hash_indice = 0;
- self->users_min = params->users_min;
- self->users_max = params->users_max;
-
- client_p->localClient->safelist_data = self;
+ client_p->localClient->safelist_data = params;
sendto_one(client_p, form_str(RPL_LISTSTART), me.name, client_p->name);
/* pop the client onto the queue for processing */
- dlinkAddAlloc(client_p, &safelisting_clients);
+ rb_dlinkAddAlloc(client_p, &safelisting_clients);
/* give the user some initial data to work with */
+ if (params->mask && (chptr = find_channel(params->mask)))
+ {
+ bool visible = !SecretChannel(chptr) || IsMember(client_p, chptr);
+ if (visible || params->operspy)
+ list_one_channel(client_p, chptr, visible);
+ }
safelist_iterate_client(client_p);
}
* outputs - none
* side effects - the client is no longer being
* listed
- *
- * Please do not ever call this on a non-local client.
- * If you do, you will get SIGSEGV.
*/
static void safelist_client_release(struct Client *client_p)
{
+ if(!MyClient(client_p))
+ return;
+
s_assert(MyClient(client_p));
- dlinkFindDestroy(client_p, &safelisting_clients);
+ rb_dlinkFindDestroy(client_p, &safelisting_clients);
- MyFree(client_p->localClient->safelist_data);
+ rb_free(client_p->localClient->safelist_data->chname);
+ rb_free(client_p->localClient->safelist_data->mask);
+ rb_free(client_p->localClient->safelist_data->nomask);
+ rb_free(client_p->localClient->safelist_data);
client_p->localClient->safelist_data = NULL;
/*
* safelist_channel_named()
*
- * inputs - client pointer, channel name
+ * inputs - client pointer, channel name, operspy
* outputs - none
* side effects - a named channel is listed
*/
-static void safelist_channel_named(struct Client *source_p, const char *name)
+static void safelist_channel_named(struct Client *source_p, const char *name, int operspy)
{
struct Channel *chptr;
char *p;
- char *n = LOCAL_COPY(name);
+ int visible;
sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
- if ((p = strchr(n, ',')))
+ if ((p = strchr(name, ',')))
*p = '\0';
- if (*n == '\0')
+ if (*name == '\0')
{
sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), name);
sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
return;
}
- chptr = find_channel(n);
+ chptr = find_channel(name);
if (chptr == NULL)
{
- sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), n);
+ sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), name);
sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
return;
}
- if (ShowChannel(source_p, chptr))
- sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name, chptr->chname,
- rb_dlink_list_length(&chptr->members),
- chptr->topic == NULL ? "" : chptr->topic);
+ visible = !SecretChannel(chptr) || IsMember(source_p, chptr);
+ if (visible || operspy)
+ list_one_channel(source_p, chptr, visible);
sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
return;
* side effects - a channel is listed if it meets the
* requirements
*/
-static void safelist_one_channel(struct Client *source_p, struct Channel *chptr)
+static void safelist_one_channel(struct Client *source_p, struct Channel *chptr, struct ListClient *params)
{
- struct ListClient *safelist_data = source_p->localClient->safelist_data;
+ int visible;
+
+ visible = !SecretChannel(chptr) || IsMember(source_p, chptr);
+ if (!visible && !params->operspy)
+ return;
- if (SecretChannel(chptr) && !IsMember(source_p, chptr))
+ if ((unsigned int)chptr->members.length < params->users_min
+ || (unsigned int)chptr->members.length > params->users_max)
return;
- if ((unsigned int)chptr->members.length < safelist_data->users_min
- || (unsigned int)chptr->members.length > safelist_data->users_max)
+ if (params->topic_min && chptr->topic_time < params->topic_min)
return;
- sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name, chptr->chname,
- chptr->members.length, chptr->topic == NULL ? "" : chptr->topic);
+ /* If a topic TS is provided, don't show channels without a topic set. */
+ if (params->topic_max && (chptr->topic_time > params->topic_max
+ || chptr->topic_time == 0))
+ return;
+
+ if (params->created_min && chptr->channelts < params->created_min)
+ return;
+
+ if (params->created_max && chptr->channelts > params->created_max)
+ return;
+
+ if (params->mask && (!irccmp(params->mask, chptr->chname) || !match(params->mask, chptr->chname)))
+ return;
+
+ if (params->nomask && match(params->nomask, chptr->chname))
+ return;
+
+ list_one_channel(source_p, chptr, visible);
}
/*
*/
static void safelist_iterate_client(struct Client *source_p)
{
- rb_dlink_node *ptr;
- int iter;
+ struct Channel *chptr;
+ rb_radixtree_iteration_state iter;
- for (iter = source_p->localClient->safelist_data->hash_indice; iter < CH_MAX; iter++)
+ RB_RADIXTREE_FOREACH_FROM(chptr, &iter, channel_tree, source_p->localClient->safelist_data->chname)
{
- if (safelist_sendq_exceeded(source_p->from) == YES)
+ if (safelist_sendq_exceeded(source_p->from))
{
- source_p->localClient->safelist_data->hash_indice = iter;
+ rb_free(source_p->localClient->safelist_data->chname);
+ source_p->localClient->safelist_data->chname = rb_strdup(chptr->chname);
+
return;
}
- RB_DLINK_FOREACH(ptr, channelTable[iter].head)
- safelist_one_channel(source_p, (struct Channel *) ptr->data);
+ safelist_one_channel(source_p, chptr, source_p->localClient->safelist_data);
}
safelist_client_release(source_p);
{
rb_dlink_node *n, *n2;
- RB_DLINK_FOREACH_SAFE(n, n2, safelisting_clients.head)
+ RB_DLINK_FOREACH_SAFE(n, n2, safelisting_clients.head)
safelist_iterate_client((struct Client *)n->data);
}
projects / solanum.git / blobdiff